20104544305 has 16 divisors (see below), whose sum is σ = 24217966080. Its totient is φ = 16022022912.

The previous prime is 20104544293. The next prime is 20104544357. The reversal of 20104544305 is 50344540102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20104544305 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4171257 + ... + 4176073.

It is an arithmetic number, because the mean of its divisors is an integer number (1513622880).

Almost surely, 2^20104544305 is an apocalyptic number.

It is an amenable number.

20104544305 is a deficient number, since it is larger than the sum of its proper divisors (4113421775).

20104544305 is a wasteful number, since it uses less digits than its factorization.

20104544305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848.

The product of its (nonzero) digits is 9600, while the sum is 28.

It can be divided in two parts, 201045 and 44305, that added together give a triangular number (245350 = T₇₀₀).

The spelling of 20104544305 in words is "twenty billion, one hundred four million, five hundred forty-four thousand, three hundred five".